UST946012I4 - - Google Patents
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- Publication number
- UST946012I4 UST946012I4 US57529175A UST946012I4 US T946012 I4 UST946012 I4 US T946012I4 US 57529175 A US57529175 A US 57529175A US T946012 I4 UST946012 I4 US T946012I4
- Authority
- US
- United States
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
- F04B39/1033—Adaptations or arrangements of distribution members the members being disc valves annular disc valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
- F04B39/0016—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons with valve arranged in the piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/14—Check valves with flexible valve members
- F16K15/1401—Check valves with flexible valve members having a plurality of independent valve members
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7838—Plural
- Y10T137/7839—Dividing and recombining in a single flow path
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7859—Single head, plural ports in parallel
- Y10T137/7861—Annular head
- Y10T137/7862—Central post on seat
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57529175 UST946012I4 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-05-07 | 1975-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57529175 UST946012I4 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-05-07 | 1975-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UST946012I4 true UST946012I4 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-05-04 |
Family
ID=24299703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US57529175 Pending UST946012I4 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-05-07 | 1975-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | UST946012I4 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4854341A (en) | 1987-07-01 | 1989-08-08 | Enfo Grundlagenforschungs Ag | Plate valve |
| US4955796A (en) | 1988-09-21 | 1990-09-11 | Bristol Compressors, Inc. | Refrigerant gas compressor construction |
| US5106278A (en) * | 1988-09-21 | 1992-04-21 | Bristol Compressors, Inc. | Refrigerant gas compressor construction |
| US20120034119A1 (en) * | 2010-08-09 | 2012-02-09 | Du Benjamin R | Double Acting Fluid Pump |
| US11454230B2 (en) * | 2019-07-31 | 2022-09-27 | Amk Holding Gmbh & Co. Kg | Cylinder piston for an air compressor |
-
1975
- 1975-05-07 US US57529175 patent/UST946012I4/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4854341A (en) | 1987-07-01 | 1989-08-08 | Enfo Grundlagenforschungs Ag | Plate valve |
| US4955796A (en) | 1988-09-21 | 1990-09-11 | Bristol Compressors, Inc. | Refrigerant gas compressor construction |
| US5106278A (en) * | 1988-09-21 | 1992-04-21 | Bristol Compressors, Inc. | Refrigerant gas compressor construction |
| US20120034119A1 (en) * | 2010-08-09 | 2012-02-09 | Du Benjamin R | Double Acting Fluid Pump |
| US8550794B2 (en) * | 2010-08-09 | 2013-10-08 | Foothill Land, Llc | Double acting fluid pump |
| US9726160B2 (en) | 2010-08-09 | 2017-08-08 | Providence Enterprise Limited | Double acting fluid pump with spring biased piston |
| US11454230B2 (en) * | 2019-07-31 | 2022-09-27 | Amk Holding Gmbh & Co. Kg | Cylinder piston for an air compressor |